PC48F2000P0VB00 查看數據表（PDF） - Numonyx -> Micron

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PC48F2000P0VB00

Numonyx™ StrataFlash® Embedded Memory (P30)

Numonyx -> Micron 

P30

Figure 44: Block Lock Operations Flowchart

Start

Lock Setup

Write 60 h

Block Address

Lock Confirm

Write 01 ,D0,2Fh

Block Address

Read ID Plane

Write 90 h

Read Block Lock

Status

Locking No

Change ?

Yes

Read Array

Write FFh

Any Address

Lock Change

Complete

LOCKING OPERATIONS PROCEDURE

Bus

Command

Operation

Comments

Write

Lock Data = 60h

Setup Addr = Block to lock/unlock/lock-down (BA)

Write

Lock, Data = 01h (Lock block)

Unlock, or

D0h (Unlock block)

Lockdown

2Fh (Lockdown block)

Confirm Addr = Block to lock/unlock/lock-down (BA)

Write Read ID Data = 90h

( Optional) Plane Addr = Block address offset+2 ( BA+2 )

Read Block Lock Block Lock status data

( Optional) Status Addr = Block address offset+2 ( BA+2 )

Standby

( Optional)

Confirm locking change on DQ1, DQ0.

(See Block Locking State Transitions Table

for valid combinations.)

Write

Read Data = FFh

Array Addr = Block address (BA)

LOCK_OP.WMF

November 2007

Order Number: 306666-11

Datasheet

85

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